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    Hi, I'm just generally struggling with intergration and differentiation in the exam questions.
    im doing OCR MEI and I understand it in lessons and in my text book, but when I try a past paper I'm just really doing bad.. I can't buy a revision guide, but any help?
    cheers
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    (Original post by afcnew14)
    Hi, I'm just generally struggling with intergration and differentiation in the exam questions.
    im doing OCR MEI and I understand it in lessons and in my text book, but when I try a past paper I'm just really doing bad.. I can't buy a revision guide, but any help?
    cheers
    http://www.examsolutions.net/maths-r.../C2/module.php

    Use this Goes through every topic and past papers.
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    Hi, I need some help with Trigonometric ratios of acute angles.. actually the whole chapter itself (Graphs of trigonometric functions) For example I don't understand this particular question
    write each of the following as a trigonometric ratio of an acute angle: a) cos 237 b) sin 312 c) tan
    190 d) sin 2.3 radians e) cos (-pie/15)

    Also if anybody knows where I could find good C2 notes online, or video tutorials
    Thanks
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    I hate C2
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    (Original post by raspberry26)
    Hi, I need some help with Trigonometric ratios of acute angles.. actually the whole chapter itself (Graphs of trigonometric functions) For example I don't understand this particular question
    write each of the following as a trigonometric ratio of an acute angle: a) cos 237 b) sin 312 c) tan
    190 d) sin 2.3 radians e) cos (-pie/15)

    Also if anybody knows where I could find good C2 notes online, or video tutorials
    Thanks
    Look at my link above.
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    Thanks
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    (Original post by Blueray2)
    http://www.examsolutions.net/maths-r.../C2/module.php

    Use this Goes through every topic and past papers.
    Thats edexcel? I'm doing OCR MEI, but thank you anyway for posting the link ill look through

    [EDIT] actually I just realised there is an MEI section on the website! So really helpful thanks loads!
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    Study Helper
    (Original post by raspberry26)
    Hi, I need some help with Trigonometric ratios of acute angles.. actually the whole chapter itself (Graphs of trigonometric functions) For example I don't understand this particular question
    write each of the following as a trigonometric ratio of an acute angle: a) cos 237 b) sin 312 c) tan
    190 d) sin 2.3 radians e) cos (-pie/15)

    Also if anybody knows where I could find good C2 notes online, or video tutorials
    Thanks
    For something like cos 237, do you know what the graph of cos x looks like and how it repeats? If you plot a point on the graph that corresponds to x=237 then you can draw a horizontal line through this point and find out where else it intersects the graph.

    The other way (if you've covered this) is to think of cos giving you the x-coordinate of a point that moves round the unit circle (radius = 1), so you if you work out where 237 degrees puts you, you can relate this to the cosine of other angles.
 
 
 
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